38 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Linganore: Senate Termite & Pest Control, CR Score 88/100; 4.6★ from 2,638 Google reviews; open 24/7.
Best for emergencies (open 24/7): Crawl Space Brothers, posts 24/7 hours; ranked #8 of 38.
Most-reviewed: Environmental Pest Control, 2,014 Google reviews at 4.9★, the most of 38 ranked after Senate Termite & Pest Control; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
38 Linganore insulation contractors are ranked here by CR Score, from 8 published factors. 3 are open 24/7, 20 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 4.7★ across 38 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Senate Termite & Pest Control | 88 | 4.6★ (2,638) | Gaithersburg, 22 mi away | 24/7 | Overall |
| 2 | Environmental Pest Control | 84 | 4.9★ (2,014) | Germantown, 20 mi away | Sat | Most reviews |
| 3 | Environmental Pest Control | 83 | 4.8★ (231) | Mount Airy, 6 mi away | Sat | — |
| 4 | AROCON Roofing & Construction | 81 | 4.8★ (1,809) | Westminster, 15 mi away | Sat · Sun · Evenings | — |
| 5 | Atlas Home Energy Solutions | 80 | 4.9★ (858) | Frederick, 12 mi away | — | — |
| 6 | Advanced Spray Foam and Coatings LLC | 80 | 5.0★ (172) | Hampstead, 22 mi away | Sat | — |
| 7 | Home Paramount Pest Control | 79 | 4.6★ (86) | Frederick, 11 mi away | Sat | — |
| 8 | Crawl Space Brothers | 78 | 4.4★ (5) | Rockville, 25 mi away | 24/7 | Emergencies |
| 9 | Tri State Home Improvements Inc. | 77 | 5.0★ (5) | Frederick, 4 mi away | Sat · Evenings | — |
| 10 | Home Paramount Pest Control | 77 | 4.5★ (65) | Eldersburg, 14 mi away | Sat | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and review volume: 4.6★ from 2,638 Google reviews, the most Google reviews on this list (2,638).
Based in Germantown, 20 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 2,014 Google reviews, listed on Google as “Insulation contractor”.
Based in Mount Airy, 6 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 231 Google reviews, listed on Google as “Insulation contractor”.
Based in Westminster, 15 mi away
Ranked #4 because of its Google rating and review volume: 4.8★ from 1,809 Google reviews, 1,809 Google reviews.
Based in Frederick, 12 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 858 Google reviews, listed on Google as “Insulation contractor”.
Based in Hampstead, 22 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 172 Google reviews, listed on Google as “Insulation contractor”.
Based in Frederick, 11 mi away
Ranked #7 because of its Google rating and trade focus: 4.6★ from 86 Google reviews, listed on Google as “Insulation contractor”.
Based in Rockville, 25 mi away
Ranked #8 because of its Google rating and availability: 4.4★ from 5 Google reviews, open 24/7.
Based in Frederick, 4 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based in Eldersburg, 14 mi away
Ranked #10 because of its Google rating and trade focus: 4.5★ from 65 Google reviews, listed on Google as “Insulation contractor”.
Based in Baltimore, 25 mi away
Ranked #11 because of its Google rating and availability: 4.8★ from 19 Google reviews, open 24/7.
Based in Gaithersburg, 21 mi away
Ranked #12 because of its Google rating and trade focus: 4.6★ from 90 Google reviews, listed on Google as “Insulation contractor”.
Based in Spring Ridge, 21 mi away
Ranked #13 because of its Google rating and trade focus: 4.1★ from 17 Google reviews, listed on Google as “Insulation contractor”.
Based in Fairfax, 20 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Insulation contractor”.
Based in Gaithersburg, 19 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 178 Google reviews, listed on Google as “Insulation contractor”.
Based in Eldersburg, 11 mi away
Ranked #16 because of its Google rating and review volume: 4.9★ from 1,092 Google reviews, 1,092 Google reviews.
Based in Eldersburg, 14 mi away
Ranked #17 because of its Google rating and review volume: 4.9★ from 1,010 Google reviews, 1,010 Google reviews.
Based in Rockville, 23 mi away
Ranked #18 because of its Google rating and review volume: 4.7★ from 1,445 Google reviews, 1,445 Google reviews.
Based in Ballenger Creek, 11 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Insulation contractor”.
Based in Eldersburg, 11 mi away
Ranked #20 because of its Google rating and trade focus: 4.6★ from 24 Google reviews, listed on Google as “Insulation contractor”.
Based in Frederick, 5 mi away
Ranked #21 because of its Google rating and trade focus: 4.4★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based in Frederick, 15 mi away
Ranked #22 because of its Google rating and review volume: 4.9★ from 476 Google reviews, 476 Google reviews.
Based in Owings Mills, 23 mi away
Ranked #23 because of its Google rating and trade focus: 4.7★ from 67 Google reviews, listed on Google as “Insulation contractor”.
Based in Frederick, 6 mi away
Ranked #24 because of its Google rating and review volume: 5.0★ from 87 Google reviews, 87 Google reviews.
Based in Hampstead, 22 mi away
Ranked #25 because of its Google rating and review volume: 4.5★ from 389 Google reviews, 389 Google reviews.
#1 to #25 are shown in full above. Here are #26 to #38, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Ace Handyman Services Frederick | 70 | 4.8★ (186) | 15 mi |
| 27 | Pro Desk at The Home Depot | 70 | 3.8★ (9) | 17 mi |
| 28 | Ferguson Plumbing Supply | 70 | 4.5★ (16) | 10 mi |
| 29 | Insul-Tech Inc. | 70 | 3.7★ (3) | 12 mi |
| 30 | Pro Desk at the Home Depot | 69 | 4.6★ (9) | 24 mi |
| 31 | Ace Handyman Services Rockville | 69 | 4.9★ (277) | 25 mi |
| 32 | ARHT Home Solutions | 68 | 5.0★ (160) | 23 mi |
| 33 | Capitol Building Supply | 68 | 4.4★ (34) | 19 mi |
| 34 | Pro Desk at The Home Depot | 68 | 3.3★ (6) | 23 mi |
| 35 | JD's Turn Keys | 65 | 5.0★ (10) | 16 mi |
| 36 | Rocky's Roofing & Siding Inc | 65 | 3.8★ (17) | 9 mi |
| 37 | Ferguson Plumbing Supply | 64 | 4.4★ (23) | 19 mi |
| 38 | Harvey W Hottel, Inc. | 63 | 4.2★ (45) | 19 mi |
20 more insulation contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Brightest Insulation Services Professionals | 19 mi | |
| Colt Insulation, Inc. | 4.0★ (2) | 18 mi |
| Foremost Attic Clean Up Llc | 5.0★ (2) | 21 mi |
| Frost Fire Insulation Inc. | 5.0★ (2) | 5 mi |
| G & H Insulation Inc | 5.0★ (1) | 23 mi |
| Insupro Attic Insulation of Columbia | 5.0★ (1) | 25 mi |
| Jacob Air Duct Cleaning & Attic Insulation | 5.0★ (2) | 15 mi |
| JULU Construction LLC | 22 mi | |
| Kelco Insulation Inc | 5.0★ (2) | 6 mi |
| Kelco Insulation Inc | 11 mi | |
| Koala Insulation of Frederick-Mt. Airy | 9 mi | |
| Mid Atlantic Spray Foam LLC | 5.0★ (1) | 15 mi |
| Optimum Spray Foam Insulation | 4.0★ (2) | 8 mi |
| Optimum Spray Foam Insulation | 5.0★ (2) | 16 mi |
| Overjoyed Spray Foam Llc | 5.0★ (1) | 25 mi |
| Pro Desk at The Home Depot | 4.0★ (2) | 13 mi |
| Pro Desk at The Home Depot | 5.0★ (2) | 23 mi |
| Pro Desk at The Home Depot | 5.0★ (1) | 11 mi |
| Prosperous Attic Services Co | 19 mi | |
| Triumph Home Services LLC | 5.0★ (1) | 20 mi |
National price ranges in USD, not adjusted for Linganore. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Attic insulation | $1,700 | $2,100 | $2,500 | Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range | October 2026 |
We scored 38 Linganore insulation contractors on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Linganore data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |